UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C.  20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

Pursuant to Rule 13a-16 or 15d-16 of the

Securities Exchange Act of 1934

For the month of October 2025

Commission File Number: 001-36059

Controladora Vuela Compañía de Aviación,S.A.B. de C.V.

(Name of Registrant)

Av. Antonio Dovalí Jaime No. 70, 13 Floor, TowerB

Colonia Zedec Santa Fe

United Mexican States, Mexico City 01210

+(52) 55-5261-6400

 (Address of principal executive offices)

Indicate by check mark whether the registrantfiles or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F ☒                                           Form40-F  ☐

Indicateby check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):  ☐

Indicateby check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):  ☐

EXPLANATORY NOTE

On October 7, 2025, Controladora Vuela Compañía de Aviación,S.A.B. de C.V. (NYSE: VLRS) issued a press release titled “Volaris Announces the Release of the 2024 Integrated Annual Report”.

A copy of this press release is attached to this Form 6-K as Exhibit 99.1

SIGNATURES

Pursuant to the requirementsof the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereuntoduly authorized.

EXHIBIT INDEX

Volaris Announces the Release ofthe 2024 Integrated Annual Report

Mexico City, Mexico, October 7, 2025 –Controladora Vuela Compañía de Aviación, S.A.B. de C.V. (NYSE: VLRS and BMV: VOLAR) (“Volaris”or “the Company”), the ultra-low-cost carrier (ULCC) serving Mexico, the United States,Central and South America, today released its 2024 Integrated Annual Report, titled “The Art of Transformation: Folding a SustainableFuture.”

The 2024 Integrated Annual Report is now available on Volaris'Investor Relations webpage: https://ir.volaris.com/.

Investor RelationsContact

Liliana Juárez/ ir@volaris.com

Media Contact

Ricardo Flores / rflores@gcya.net

The information included in this report has not been audited and does not provideany information about the Company's future performance. Volaris' future performance depends on a number of factors, and it cannot be inferredthat the performance of any period or its comparison with the same period of the previous year is an indicator of similar performancein the future.

About Volaris

*Controladora Vuela Compañía de Aviación,S.A.B. de C.V. (“Volaris” or “the Company”) (NYSE: VLRS and BMV: VOLAR) is an ultra-low-cost carrier, with point-to-pointoperations, serving Mexico, the United States, Central, and South America. Volaris offers low base fares to build its market, providingquality service and extensive customer choice. Since the beginning of operations in March 2006, Volaris has increased its routes from5 to more than 225 and its fleet from 4 to 153 aircraft. Volaris offers more than 450 daily flight segments on routes that connect 44cities in Mexico and 30 cities in the United States, Central, and South America, with one of the youngest fleets in Mexico. Volaris targetspassengers who are visiting friends and relatives, cost-conscious business and leisure travelers in Mexico, the United States, Central,and South America. For more information, please visit ir.volaris.com. Volaris routinely postsinformation that may be important to investors on its investor relations website. The Company encourages investors and potential investorsto consult the Volaris website regularly for important information about Volaris.